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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/android/resources/resource_manager.h" | |
6 | |
7 #include "base/trace_event/memory_usage_estimator.h" | |
8 #include "ui/gfx/geometry/insets_f.h" | |
9 | |
10 namespace ui { | |
11 | |
12 ResourceManager::Resource::Resource() { | |
13 } | |
14 | |
15 ResourceManager::Resource::~Resource() { | |
16 } | |
17 | |
18 gfx::Rect ResourceManager::Resource::Border(const gfx::Size& bounds) const { | |
19 return Border(bounds, gfx::InsetsF(1.f, 1.f, 1.f, 1.f)); | |
20 } | |
21 | |
22 gfx::Rect ResourceManager::Resource::Border(const gfx::Size& bounds, | |
23 const gfx::InsetsF& scale) const { | |
24 // Calculate whether or not we need to scale down the border if the bounds of | |
25 // the layer are going to be smaller than the aperture padding. | |
26 float x_scale = std::min((float)bounds.width() / size.width(), 1.f); | |
27 float y_scale = std::min((float)bounds.height() / size.height(), 1.f); | |
28 | |
29 float left_scale = std::min(x_scale * scale.left(), 1.f); | |
30 float right_scale = std::min(x_scale * scale.right(), 1.f); | |
31 float top_scale = std::min(y_scale * scale.top(), 1.f); | |
32 float bottom_scale = std::min(y_scale * scale.bottom(), 1.f); | |
33 | |
34 return gfx::Rect(aperture.x() * left_scale, aperture.y() * top_scale, | |
35 (size.width() - aperture.width()) * right_scale, | |
36 (size.height() - aperture.height()) * bottom_scale); | |
37 } | |
38 | |
39 size_t ResourceManager::Resource::EstimateMemoryUsage() const { | |
40 return base::trace_event::EstimateMemoryUsage(ui_resource); | |
41 } | |
42 | |
43 } // namespace ui | |
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